Home / 65,911.12-98,796.71-21,525.95

Finding the Fourth Proportional to 65,911.12, 98,796.71 and 21,525.95

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Solution

The fourth proportional to 65,911.12, 98,796.71 and 21,525.95 is: 32,266.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,911.12 : 98,796.71 = 21,525.95 : x
  2. Step 2: Convert to fraction form
    65,911.12/98,796.71 = 21,525.95/x
  3. Step 3: Cross multiply
    65,911.12x = 98,796.71 × 21,525.95
  4. Step 4: Simplify right side
    65,911.12x = 2,126,693,340.43
  5. Step 5: Solve for x
    x = 2,126,693,340.43/65,911.12
  6. Step 6: Final answer
    x = 32,266.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.